You don't sound like someone who wants to be convinced, anyway, but... here's one of the hypest Smash 4 sets this year. https://www.youtube.com/watch?v=ezhasF1zbpA (can't embed because I'm going through some crazy VGC issues)
Nope. The event is maybe impressive, but there could be even 10 times more people with twice larger screens that this would not convince me still.
Current PB on Secret of Mana remake : 2h27 (2nd)
Strongest worldwide achievement on TGM : 1st European S13 rank
Fastest TGM3 MASTER in Europe : rank Master V in 5min10
Western record on TGM3 EASY : 1484
Current PB on Power Ranger (Game Gear) : 10min06 (World Record)
Non-geek activity : ThermalHungary